The efficient 400-Watt Sunleaves OptiLUME Metal Halide Lamp emulates
natural sunlight and promotes bounteous vegetative growth as it
distributes light energy concentrated in the blue-yellow portion of the
spectrum. Universal design allows horizontal and base up operation while
the 15,000-hour life rating and one-year warranty assures dependable
performance. This high-output OptiLUME lamp emits 36,000 initial lumens
and works with most 400-watt metal halide and two-way HID systems.